MacBook Pro Keyboard doesn't work in Windows 8

I just installed Windows 8 via boot camp on my mid-2009 MacBook Pro. Install went fine, installed over Win 7. Everything was working ok, except for trackpad. I rebooted into Mountain Lion and downloaded the latest boot camp drivers. I rebooted again into Windows 8. Once I got to the login screen, the built-in keyboard would not work. A wired keyboard would not work either. My magic mouse was the only thing that did work. The problem...I have a password set and can't login if the keyboard doesn't work. Help!

went into Device Manager and on the two "Touchpad" entries with the bang on them, went to "Update Driver" -> "Browse My Computer" -> "Let me pick from a list..." and changed them both to USB Input Device. Reboot.

Go back to Device Manager, do an "Update Driver" again, let it search automatically, and one comes back as Apple Multitouch and the other as Apple Multitouch Mouse. Rebooted again, trackpad working and shows up in Boot Camp control panel.

Thanks for the response, but unfortunately I currently can't install anything. When I boot into Windows, I'm stuck at the login screen. I need to enter my password, however I am unable to because the built-in keyboard does not work. I even tried a wired keyboard and that doesn't work either. It detects caps lock if I turn that on. It doesn't make any sense to me. I went through the install and used the keyboard to type in settings with no problem. Now, nothing.

Unfortunately, my problem persists. I was able to remove the password from my account so I can boot up and get into Windows with no problem. About 7 times out of 10 the keyboard fails to load, resulting in no use of the keyboard at all. I went against my better judgement by installing Wndows 8. I guess I should have waited until Apple officially supported it. :-/

I decided to check on uptes for third party software that ran on startup. The only third party app that ran on startup was Dropbox. There was a minor update to it, so Iupdated. While I love Dropbox's "quite" updating system, it's just a little too slow my liking. Anyway, since that update all has been working well. I'll keep you posted if it happens again. I've had three successful boots in a row since updating.

About 9 times out of 10, the keyboard wouldn't work. The 1 time that it did, I logged in and removed the password. Updating Dropbox seemed to solve my issue and it had been fine for over a month. However, over this past weekend I decided to install the new Trackpad++ drivers to enable gestures in Win 8. After installing PowerPlan and then Trackpad++, everything was working ok. I decided at this point, I would set a password for the account again. Once I did that, I was back to having keyboard problems again. When I finially was able to get in, I removed the password. Upon a reboot, the keyboard didn't work. I removed PowerPlan and Trackpad++, still didn't work. I uninstalled Dropbox...still didn't work. I disabled all 3rd party startup applications, and it still didn't work. I got fed up, and last night I wiped out Win 8 and reloaded Win 7. I'll wait until Apple officially supports it, and even after that, I'll give it some time before upgrading again.

I will note that when I upgraded to Win 8, I did not do a clean install. I didn't want to go through the hassle of reloading software and setting up the OS again. Maybe a clean install would have been better. I was at the point of frustration where I didn't even care to find out and I was just going to go back to Win 7.

I tried an upgrade from Windows 7 to Windows 8 and had the same issue with the keyboard not working. Not only that, but NO keyboard would work. I tried plugging in several USB keyboards and nothing worked. Only a clean install of Windows 8 fixed the issue.

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